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ACL engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ACL lineup with fast shipping and expert fitment support — order with confidence.
Engineered for the rigorous demands of high-output engines, this ACL 0.25mm oversized main bearing set is the gold standard for 6-bolt 4G63 and 4G64 engine builds. Designed specifically for 1st Gen DSM enthusiasts and classic Mitsubishi platform owners, these bearings provide superior load-carrying capacity and fatigue resistance under extreme racing conditions.
Whether you are performing a full engine rebuild on a classic Dodge Colt or preparing a 4G63 for competitive track use, these bearings offer the reliability you need. The precision tolerances ensure a perfect oil film thickness, protecting your crankshaft from premature wear and catastrophic failure. Trust in the proven engineering of ACL to keep your engine running at its peak potential. For all your high-performance engine component needs, look no further than GGCRACING.
…and 7 additional fitments. Contact us to confirm yours.
| Brand | ACL |
|---|---|
| Manufacturer part number | 5M1144H-.25 |
| GGC SKU | ACL5M1144H-.25 |
| UPC / GTIN | 9315726182093 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 6.4 × 3.7 × 1.3 in |
|---|---|
| Shipping weight | 1 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 1978-1979 | Dodge | Challenger | Base, Premium |
| 1971-1980 | Dodge | Colt | Base |
| 1977-1983 | Dodge | Colt | Custom |
| 1982-1983 | Dodge | Colt | Deluxe |
| 1983 | Dodge | Colt | Base |
| 1984 | Dodge | Colt | E |
| 1984-1986 | Dodge | Colt | DL |
| 1985-1988 | Dodge | Colt | Premier |
| 1989-1990 | Dodge | Colt | DL, GT |
| 1990-1991 | Dodge | Ram 50 | LE |
| 1990-1993 | Dodge | Ram 50 | Base, SE |
| 1989-1990 | Eagle | Summit | LX |
| 1990 | Eagle | Summit | ES |
| 1992 | Eagle | Summit | Base, DL, LX |
| 1989-1991 | Hyundai | Sonata | Base, GLS |
| 1983-1984 | Mitsubishi | Cordia | Base, LS |
| 1983-1988 | Mitsubishi | Cordia | L |
| 1984-1988 | Mitsubishi | Cordia | Turbo |
| 1990-1992 | Mitsubishi | Eclipse | Base, GS |
| 1992 | Mitsubishi | Expo | Base, SP |
| 1985-1987 | Mitsubishi | Galant | Base |
| 1984 | Mitsubishi | Mighty Max | S |
| 1984-1992 | Mitsubishi | Mighty Max | Base |
| 1990-1992 | Mitsubishi | Mighty Max | 1 Ton |
| 1985-1988 | Mitsubishi | Mirage | Turbo |
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